masculine nominative singular + enclitic particle (substantive + conjunction)
Analysis. sahāyo + api: 'friend' + 'even, also', expressing that even a companion or fellow cannot help; used in contexts of isolation or the limits of companionship.
Etymology. saha (from Sanskrit saha, Indo-European *sem- 'together', cognate with English same, Latin similis) + āya (agent suffix -āya, 'one who does'); literally 'one who goes with'. The prefix sam- > sa- before single consonant; √gam 'go' implied. Cognate with Sanskrit sahāya, Greek homos 'same'.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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